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pump making gurgling sound?

Just finished my afternoon pump. Right after my let down the pump started making this weird gurgling sound and didn't seem to suck as hard. I checked all the tubing, connections etc. The membrane looks okay, but I'll probably go ahead and change it tonight anyway.

I read somewhere that there might be milk in the motor and that I should try running water through it? Any idea how to do this or if that might help? I really don't want to have to drop $250 on another pump if I don't have to!

Re: pump making gurgling sound?

I would not run water through the motor without calling customer support. What kind of pump do you have again? Medela has excellent customer support. I've heard of ladies getting an entire new pump overnighted before.

Re: pump making gurgling sound?

They said to test the valves and to take the front off and inspect the pump while it was pumping to make sure there weren't any leaks. I did that and then test pumped again. The suction seems to be back up to par and the noise stopped. I'll probably replace the valves and membranes anyway, but I have not real clue as to what's going on. May just be that its getting old.